Allow starting the server in a state when the game start is forbidden (…

…#20)

NETWORKING.md

@@ -397,6 +397,9 @@ A typical current server configuration xml that fits the current code version is
     <!-- File with commands used for this server. Default file is commands.xml which can be changed with new commits, but you can use any other file from data/ folder, or even include contents of one other commands file using external-commands-file tag inside your file. -->
     <commands-file value="commands.xml" />
 
+    <!-- Whether the game can be started immediately when the server is opened. -->
+    <start-allowed value="true" />
+
 </server-config>
 ```
 

src/network/protocols/server_lobby.cpp

@@ -236,7 +236,7 @@ ServerLobby::ServerLobby() : LobbyProtocol()
         initTournamentPlayers();
         m_tournament_game = 0;
     }
-    m_allowed_to_start = true;
+    m_allowed_to_start = ServerConfig::m_allowed_to_start;
     m_game_info = nullptr;
     loadTracksQueueFromConfig();
     std::string scoring = ServerConfig::m_gp_scoring;

src/network/server_config.hpp

@@ -800,6 +800,10 @@ namespace ServerConfig
             "from data/ folder, or even include contents of one other commands file "
             "using external-commands-file tag inside your file."));
 
+    SERVER_CFG_PREFIX BoolServerConfigParam m_allowed_to_start
+            SERVER_CFG_DEFAULT(BoolServerConfigParam(true, "start-allowed",
+            "Whether the game can be started immediately when the server is opened."));
+
     // ========================================================================
     /** Server version, will be advanced if there are protocol changes. */
     static const uint32_t m_server_version = 6;